Kramer VM-24HD Manuel utilisateur
Kramer Electronics, Ltd.
USER MANUAL
VM-24HD
2 x 1:4 HD/SD – SDI DA
Contents
i
Contents
1
Introduction 1
2
Getting Started 1
2.1
Quick Start 2
3
Overview 3
4
Your VM-24HD 2 x 1:4 HD/SD – SDI DA 4
5
Connecting the VM-24HD 2 x 1:4 HD/SD – SDI DA 5
6
Technical Specifications 6
Figures
Figure 1: VM-24HD 2 x 1:4 HD/SD – SDI DA 4
Figure 2: Connecting the VM-24HD 2 x 1:4 HD/SD – SDI DA 5
Tables
Table 1: VM-24HD 2 x 1:4 HD/SD – SDI DA Features 4
Table 2: VM-24HD 2 x 1:4 HD/SD – SDI DA Technical Specifications 6
Introduction
1
1 Introduction
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been
providing a world of unique, creative, and affordable solutions to the vast
range of problems that confront the video, audio, and presentation
professional on a daily basis. In recent years, we have redesigned and
upgraded most of our line, making the best even better! Our 500-plus
different models now appear in eight groups
1
that are clearly defined by
function.
Congratulations on purchasing your Kramer DigiTOOLS
®
VM-24HD 2 x 1:4
HD/SD – SDI DA, which is ideal for:
SDI production studios for signal distribution and equalizations
Broadcast studios for on-air operation
SDI field production
Using with SDI video sources such a professional digital camera
The package includes the following items:
VM-24HD 2 x 1:4 HD/SD – SDI DA
Power adapter (12V DC Input)
This user manual
2
2 Getting Started
We recommend that you:
Unpack the equipment carefully and save the original box and
packaging materials for possible future shipment
Review the contents of this user manual
Use Kramer high-performance high-resolution cables
3
1 GROUP 1: Distribution Amplifiers; GROUP 2: Video and Audio Switchers, Matrix Switchers and Controllers; GROUP 3:
Video, Audio, VGA/XGA Processors; GROUP 4: Interfaces and Sync Processors; GROUP 5: Twisted Pair Interfaces;
GROUP 6: Accessories and Rack Adapters; GROUP 7: Scan Converters and Scalers; and GROUP 8: Cables and Connectors
2 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com
3 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com
KRAMER: SIMPLE CREATIVE TECHNOLOGY
Getting Started
2
2.1 Quick Start
This quick start chart summarizes the basic setup and operation steps.
Overview
3
3 Overview
The VM-24HD 2 x 1:4 HD/SD – SDI DA is a high performance 2 x 1:4
distributor for all SDI video signals.
In particular, the VM-24HD features:
Two inputs that distribute each signal to four identical outputs
using BNC connectors
1.485Gbps bit rate for compatibility with standard definition and
high definition serial digital video signals (SD
1
/HD
2
-SDI)
SMPTE 292M, 259M, 344M, and 372M (dual link application)
compliance and data rates of 143, 177, 270, 360, 540, 1483.5, and
1485Mbps
Automatic, multi-rate, equalization and reclocking for losses
typical to long runs of 75co-axial cable
LOCK, HD, and SD output indication LEDs
Achieving the best performance means:
Connecting only good quality connection cables, thus avoiding
interference, deterioration in signal quality due to poor matching,
and elevated noise levels (often associated with low quality cables)
Avoiding interference from neighboring electrical appliances that
may adversely influence signal quality and positioning your
Kramer VM-24HD away from moisture, excessive sunlight and
dust
Caution – No operator-serviceable parts inside unit.
Warning – Use only the Kramer Electronics input power
wall adapter that is provided with this unit
3
.
Warning – Disconnect power and unplug unit from wall
before installing or removing device or servicing unit.
1 Standard Definition (SD) means an NTSC or PAL compatible video format, consisting of 480 (for NTSC) or 576 (for PAL)
lines of interlaced video; and progressive scan 480p or 576p video
2 High Definition (HD) means a video format, consisting of either 720 active lines of progressive video or 1080 lines of either
progressive or interlaced video
3 For example: model number AD2512C, part number 2535-000251
KRAMER: SIMPLE CREATIVE TECHNOLOGY
Your VM-24HD 2 x 1:4 HD/SD – SDI DA
4
4 Your VM-24HD 2 x 1:4 HD/SD – SDI DA
Figure 1 and Table 1 define the VM-24HD 2 x 1:4 HD/SD – SDI DA:
Figure 1: VM-24HD 2 x 1:4 HD/SD – SDI DA
Table 1: VM-24HD 2 x 1:4 HD/SD – SDI DA Features
# Feature Function
1 12V DC +12V DC connector for powering the unit
2 OUTPUT A BNC connectors Connects to the A SDI acceptors (from 1 to 4)
3 OUTPUT B BNC connectors Connects to the B SDI acceptors (from 1 to 4)
4 INPUT A BNC connector Connects to the A SDI source
5 SD/HD INPUT A LED
6 SD/HD INPUT B LED
Illuminates blue for the HD-SDI signal, green
for the SD-SDI signal on inputs A and B
7 INPUT B BNC connector Connects to the B SDI source
8 ON LED Illuminates red when receiving power
Connecting the VM-24HD 2 x 1:4 HD/SD – SDI DA
5
5 Connecting the VM-24HD 2 x 1:4 HD/SD – SDI DA
To connect the VM-24HD, as the example in Figure 2 illustrates, do the
following:
1. Connect one or two HD/SD SDI video sources (for example, HD/SD SDI
cameras) to the INPUT A and/or INPUT B BNC connectors.
2. On each OUTPUT (A and/or B), connect up to
1
four video OUTPUT BNC
connectors to the appropriate HD /SD SDI video acceptors (for example,
HD/SD SDI displays).
3. Connect the 12V DC power adapter to the power socket and connect the
adapter to the mains electricity.
Figure 2: Connecting the VM-24HD 2 x 1:4 HD/SD – SDI DA
1 When four outputs are not required, connect only those that are required and leave the other output(s) unconnected
KRAMER: SIMPLE CREATIVE TECHNOLOGY
Technical Specifications
6
6 Technical Specifications
The VM-24HD technical specifications are shown in Table 2:
Table 2: VM-24HD 2 x 1:4 HD/SD – SDI DA Technical Specifications
1
INPUTS: 2 SMPTE-259M, 292M, 344M serial video, 75 ohms on BNC connectors
OUTPUTS: 8 equalized and reclocked SMPTE-259M, 292M, 344M outputs 75 ohms on
BNC connectors
OUTPUT LEVEL: 800mVpp /75 ohms
MAX. DATA RATE: 1.485Gbps
COUPLING: AC
POWER SOURCE: 12 V DC, 250mA
DIMENSIONS: 18.8cm x 11.4cm x 2.4cm (7.4" x 4.5" x 1.0") W, D, H
WEIGHT: 0.6kg (1.4lbs)
ACCESSORIES: Power supply, mounting brackets
OPTIONS: 19 inch rack adapters
1 Specifications are subject to change without notice
7
Kramer Electronics, Ltd.
Web site: www.kramerelectronics.com
P/N: 2900-000364 REV 1
For the latest information on our products and a list of Kramer
distributors, visit our Web site: www.kramerelectronics.com,
where updates to this user manual may be found.
We welcome your questions, comments and feedback.
Caution
Safety Warning:
Disconnect the unit from the power supply before
opening/servicing.
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